FE Power Forums
FE Power Forums => FE Technical Forum => Topic started by: dj work on September 16, 2023, 06:27:54 PM
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I'm having trouble finding out which arp header bolts fit my motor. It is a 427 with edelbrock aluminum heads. Could someone give me the right part # please. Thanks
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You need to let us know how thick your header flanges are. If they are thin, like 3/16 - 1/4", it will need a 3/4" long bolt. If the flanges are 5/16 - 3/8" thick, you will need a 1" long bolt. They will be a 3/8-16 thread.
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Sorry about that. These are crites headers and the flanges measure 3/8 th. inch thick. Thanks
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These are the options. It will be up to personal preference what style you would like best. These are all 1" long and have a 5/16" head for use with a 5/16" wrench or socket. They all come in a pack of 16.
Black oxide hex head: 100-1110
Black oxide 12pt head: 100-1210
Stainless hex head: 400-1110
Stainless 12pt head: 400-1210
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Just My Opinmion, But Having Purchased And Tried All The Options ARP Has Available, And Given The Fact That You Have Edelbrock Heads With Heavy Headers Hanging Off Of Them, You Would Be Better Off Using The Header Studs That ARP Offers. Be SURE To Apply Copper Anti-Seize To The Threads. Opinions Are Like Navels, Most People Have Them, But In All Honesty, Studs Are Better Than Bolts When It Comes To Aluminum, And Especially Edelbrock Heads. Yes, You Will Have To Tighten Them Occasionally, But You Will With Bolts As Well.
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i have over 500 dollars just in ARP studs in my 433.i have them every where except valve covers and oil pan.
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My 462 Has Them There As Well, LOL! Full Perimeter Main Girdlle/Oil Pan And Windage Tray Studs, And Medice 1" Valve Cover Spacer Studs....Rule Of Thumb In 2023: Cheap, Regular, Or Off Brand Harwdware= Worry/Hope It Doesnt Break Or Fall Off....ARP = Piece Of Mind/Priceless!